ISL8490IB

5V ，低功耗，高速或限摆率， RS - 485 / RS -422收发器 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers

5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers

The RS-485/RS-422 devices are BiCMOS 5V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. Unlike competitive devices, this Intersil family is specified for 10% tolerance supplies 4.5V to 5.5V.

Features

• Specified for 10% Tolerance Supplies

• Class 3 ESD Protection HBM on all Pins. . . . . . . . >7kV

• High Data Rates. . . . . . . . . . . . . . . . . . . . . .  up to 5Mbps

• Slew Rate Limited Versions for Error Free Data

  Transmission at 250kbpsISL8483, ISL8488, ISL8489

• Single Unit Load Allows up to 32 Devices on the Bus

• 1nA Low Current Shutdown Mode ISL8483

• Low Quiescent Current:

  -160µA ISL8483, ISL8488, ISL8489

  -500µA ISL8485, ISL8490, ISL8491

• -7V to +12V Common Mode Input Voltage Range

• Three State Rx and Tx Outputs Except ISL8488, ISL8490

• 30ns Propagation Delays, 5ns Skew ISL8485, ISL8490, ISL8491

• Full Duplex and Half Duplex Pinouts

• Operate from a Single +5V Supply 10% Tolerance

• Current Limiting and Thermal Shutdown for driver Overload Protection

• Pb-Free Plus Anneal Available RoHS Compliant

Applications

• Factory Automation

• Security Networks

• Building Environmental Control Systems

• Industrial/Process Control Networks

• Level Translators e.g., RS-232 to RS-422

• RS-232 “Extension Cords”